51135593152 has 56 divisors (see below), whose sum is σ = 122071831040. Its totient is φ = 20761816320.

The previous prime is 51135593129. The next prime is 51135593227. The reversal of 51135593152 is 25139553115.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×51135593152² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2995224 + ... + 3012247.

Almost surely, 2^51135593152 is an apocalyptic number.

It is an amenable number.

51135593152 is an abundant number, since it is smaller than the sum of its proper divisors (70936237888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51135593152 is a wasteful number, since it uses less digits than its factorization.

51135593152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6007509 (or 6007499 counting only the distinct ones).

The product of its digits is 101250, while the sum is 40.

The spelling of 51135593152 in words is "fifty-one billion, one hundred thirty-five million, five hundred ninety-three thousand, one hundred fifty-two".